Inventor · disambiguated record
Ryoichi Nakayama
Also filed as: NAKAYAMA RYOICHI
7 granted patents·96 citations·filing 1982–2005
85Inventor score
Top patents by PatentIndex Score
7 records- 0188US4637494AApparatus for moving carriages along laddersTOSHIBA KK·Filed 1984·Granted Jan 20, 1987·46 cites·14 claims
- 0274US7435405B2Anti-oxidation method for sulfide minerals in sulfide oreSUMITOMO METAL MINING CO·Filed 2005·Granted Oct 14, 2008·3 cites·4 claims
- 0367USD275205SBinocular instrumentNAKAYAMA RYOICHI·Filed 1982·Granted Aug 21, 1984·12 cites·1 claims
- 0445US6386927B2Screw fastening structure and nut memberNISSAN MOTOR·Filed 1999·Granted May 14, 2002·10 cites·15 claims
- 0538US5842923AScrew and method for its productionMINEBEA KK·Filed 1997·Granted Dec 1, 1998·14 cites·8 claims
- 0635US6264847B1Method of processing cyanide ions by ozoneSUMITOMO METAL MINING CO·Filed 1999·Granted Jul 24, 2001·7 cites·26 claims
- 0731US5702591AFlotation method for non-ferrous metal variable oresSUMITOMO METAL MINING CO·Filed 1996·Granted Dec 30, 1997·4 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →